Gradually increasing the intensity of stretches as the body adapts.
The term "flexy" is often used in social media communities to describe elite-level contortion and gymnastics: Stretch like an OLYMPIC Rhythmic GYMNAST! | FlexAbilities gymnast flexy
Involves holding a position (like a split) for 30–60 seconds to lengthen muscles over time. Core Principles for Improvement Gradually increasing the intensity of stretches as the